Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
239
Fig. 5-4-10 Installing the intercooler connector
Fig. 5-4-11 Installing the air intake connecting
hose (for reference only)
Fig. 5-4-12 Connecting the earthing cable of
storage battery
(2) Install the EGR condenser gasket and air outlet pipe
of EGR condenser and tighten the 4 hexagon flange
bolts (M8×20, M8×25, M8×30) according to the
specified torque. See Fig. 5-4-9.
(3) Connect the EGR valve harness connector.
Tightening torque for fastening bolt and nut of EGR
valve
23N·
m±3N·
m
Installing the intercooler port
②
(1) Install the intercooler port throttle gasket and
intercooler port to the air intake manifold pipe. See Fig.
5-4-10.
(2) Tighten the 4 hexagon flange bolts (M6×20)
fastening the intercooler port according to the specified
torque. See Fig. 5-4-10.
Tightening torque for fastening bolt of intercooler
port
9N·
m±3N·
m
Installing the air intake connecting hose
①
(1) Install the air intake connecting hose and tighten the
clip connecting the air intake connecting hose and
intercooler connector. See Fig. 5-4-11.
(2) There should be no air leakage of the air intake
connecting hose seal.
After the installation, please carry out the following
operations.
(1) Connect the earthing cable of storage battery. See
Fig. 5-4-12.
(2) Start the engine, check its working condition and
make sure the air intake system and fuel system are in
normal operation.
Air intake
manifold pipe
Throttle gasket
Intercooler
port
